diff --git a/libraries/Wire/src/Wire.cpp b/libraries/Wire/src/Wire.cpp
index c167aca5ac..e5a2b7bdb6 100644
--- a/libraries/Wire/src/Wire.cpp
+++ b/libraries/Wire/src/Wire.cpp
@@ -90,7 +90,9 @@ void TwoWire::begin(uint8_t address, bool generalCall, bool NoStretchMode)
_i2c.NoStretchMode = (NoStretchMode == true) ? 1 : 0;
- recoverBus(); // in case I2C bus (device) is stuck after a reset for example
+ if (_i2c.isMaster == 1) {
+ recoverBus(); // in case I2C bus (device) is stuck after a reset for example
+ }
i2c_init(&_i2c, 100000, ownAddress);
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